NullPointerException in the ServerLocationWizardPage.java source file at line 140

      @Override
      public void widgetSelected(SelectionEvent e) {
        // We need those variables - in other case we would get an IllegalAccessException
        final String serverUrl = getServerUrl();
        final String username = getUsername();
        final String password = getPassword();
        try {
          getWizard().getContainer().run(true, true, new IRunnableWithProgress() {

            public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
              monitor.beginTask("Testing", IProgressMonitor.UNKNOWN);
              try {
                if (SonarCorePlugin.getServersManager().testSonar(serverUrl, username, password)) {
                  status = new Status(Status.OK, ISonarConstants.PLUGIN_ID, Messages.ServerLocationWizardPage_msg_connected);
                } else {
                  status = new Status(Status.ERROR, ISonarConstants.PLUGIN_ID, Messages.ServerLocationWizardPage_msg_error);
                }
              } catch (CoreException e) {
                status = e.getStatus();
              } catch (OperationCanceledException e) {
                status = Status.CANCEL_STATUS;
                throw new InterruptedException();
              } catch (Exception e) {
                throw new InvocationTargetException(e);
              } finally {
                monitor.done();
              }
            }
          });
        } catch (InvocationTargetException e1) {
          LoggerFactory.getLogger(getClass()).error(e1.getMessage(), e1);
        } catch (InterruptedException e1) { 
        }
        getWizard().getContainer().updateButtons();

        String message = status.getMessage();  <- PROBLEM IS HERE, status CAN BE NULL
        switch (status.getSeverity()) {
          case IStatus.OK:
            setMessage(message, IMessageProvider.INFORMATION);
            break;
          default:
            setMessage(message, IMessageProvider.ERROR);
            break;
        }
      }